Resubmissions

30/12/2024, 18:08

241230-wq65vasldj 10

30/12/2024, 17:46

241230-wcs13atqgv 10

Analysis

  • max time kernel
    135s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 17:46

General

  • Target

    FatalityCrack.exe

  • Size

    74KB

  • MD5

    44217b6e8f45f82ebffe92321639290b

  • SHA1

    6bd7da4585d438bc28d5350b9415b6d73b32e807

  • SHA256

    657dcc3378b3dbbd131926612fb00e67683ccbc64dc2d743fce213734804f427

  • SHA512

    a68f7f194aadd63dcfad5af49dac4def19748e8fb657ab4cc06b514a1a7a2f5fb42424cb1a54a259987487558f2f2c950a1fd219a59f9b27ef826774ae27e7c8

  • SSDEEP

    1536:FNhc3BhmLTzjuReXV2y+bo0QnRr6wDeTJPovOoRnaRxsZP:1cxEWRsV2y+boveoOoRN5

Malware Config

Extracted

Family

xworm

C2

userxmorma-27072.portmap.host:27072

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot8050356849:AAGkujkVbiAoFzC-JTeiZPs5sCb3sdrY2sU/sendMessage?chat_id=8050356849

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe
    "C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3704
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'FatalityCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4348

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          d85ba6ff808d9e5444a4b369f5bc2730

          SHA1

          31aa9d96590fff6981b315e0b391b575e4c0804a

          SHA256

          84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

          SHA512

          8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          6d42b6da621e8df5674e26b799c8e2aa

          SHA1

          ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

          SHA256

          5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

          SHA512

          53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          ba169f4dcbbf147fe78ef0061a95e83b

          SHA1

          92a571a6eef49fff666e0f62a3545bcd1cdcda67

          SHA256

          5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

          SHA512

          8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ox0ox1l0.5fo.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1068-0-0x00007FFA367A3000-0x00007FFA367A5000-memory.dmp

          Filesize

          8KB

        • memory/1068-1-0x0000000000530000-0x0000000000548000-memory.dmp

          Filesize

          96KB

        • memory/1068-56-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/1068-57-0x00007FFA367A3000-0x00007FFA367A5000-memory.dmp

          Filesize

          8KB

        • memory/1068-58-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/3704-12-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/3704-13-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/3704-14-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/3704-17-0x00007FFA367A0000-0x00007FFA37261000-memory.dmp

          Filesize

          10.8MB

        • memory/3704-4-0x00000235F4DF0000-0x00000235F4E12000-memory.dmp

          Filesize

          136KB